1/*
2 * Copyright (c) 2012-2013 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#ifndef _KERNEL_TELEMETRY_H_
30#define _KERNEL_TELEMETRY_H_
31
32#include <stdint.h>
33#include <sys/cdefs.h>
34#include <mach/mach_types.h>
35#include <kern/thread.h>
36
37__BEGIN_DECLS
38
39#define TELEMETRY_CMD_TIMER_EVENT 1
40#define TELEMETRY_CMD_VOUCHER_NAME 2
41#define TELEMETRY_CMD_VOUCHER_STAIN TELEMETRY_CMD_VOUCHER_NAME
42
43enum telemetry_pmi {
44 TELEMETRY_PMI_NONE,
45 TELEMETRY_PMI_INSTRS,
46 TELEMETRY_PMI_CYCLES,
47};
48#define TELEMETRY_CMD_PMI_SETUP 3
49
50#if XNU_KERNEL_PRIVATE
51
52extern volatile boolean_t telemetry_needs_record;
53
54extern void telemetry_init(void);
55
56extern void compute_telemetry(void *);
57
58extern void telemetry_ast(thread_t thread, uint32_t reasons);
59
60extern int telemetry_gather(user_addr_t buffer, uint32_t *length, boolean_t mark);
61
62extern void telemetry_mark_curthread(boolean_t interrupted_userspace,
63 boolean_t pmi);
64
65extern void telemetry_task_ctl(task_t task, uint32_t reason, int enable_disable);
66extern void telemetry_task_ctl_locked(task_t task, uint32_t reason, int enable_disable);
67extern void telemetry_global_ctl(int enable_disable);
68
69extern int telemetry_timer_event(uint64_t deadline, uint64_t interval, uint64_t leeway);
70extern int telemetry_pmi_setup(enum telemetry_pmi pmi_type, uint64_t interval);
71
72extern void bootprofile_init(void);
73extern void bootprofile_wake_from_sleep(void);
74extern void bootprofile_get(void **buffer, uint32_t *length);
75extern int bootprofile_gather(user_addr_t buffer, uint32_t *length);
76
77#endif /* XNU_KERNEL_PRIVATE */
78
79__END_DECLS
80
81#endif /* _KERNEL_TELEMETRY_H_ */
82